Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1uhDq1-00Bt99-2T for pgsql-docs@arkaria.postgresql.org; Wed, 30 Jul 2025 20:55:49 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1uhDpx-00Cr75-QH for pgsql-docs@arkaria.postgresql.org; Wed, 30 Jul 2025 20:55:46 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ugyoO-006mdA-Rr for pgsql-docs@lists.postgresql.org; Wed, 30 Jul 2025 04:53:09 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1ugyoN-001Utj-0l for pgsql-docs@lists.postgresql.org; Wed, 30 Jul 2025 04:53:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Message-ID:Date:Reply-To:Cc:From:To:Subject: MIME-Version:Content-Type:Sender:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=/WtDJZQ+344RrALPL0frnvp3NLy0me1qDz8/4VtQOhM=; b=KPy32CzDyRx06CSRKYRXscRkOX 5yk1Xmz3kXnaa4HxJ/EeCIPnNEMoEle5wFeXUIGEFjFevipPM3EwMKv9C6zRsIQR1zlJT55iQSXkL MUxfTmsA0S6T7tE9UsU4IypXwtbzsTwLaA3x9pdaE+ISE6HjXRVM9JV8QJcTTwFuF/jakppLN0eVA 0xKZJogjSZmsii85ZGJj5GXPkEeYCbokY+VrcEzwzWpak0sCc/DFgJRceweA/r35TvKW+sqPihuAl +/itU7TEsXJXvXG+S+xG5G717uAUaIxyYPBU4RXgfDcYHzen8xasWN9tTNgZHEbvqHy9xmFJdQfSB e9lpZ9Hw==; Received: from wrigleys.postgresql.org ([2a02:16a8:dc51::60]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ugyoL-004ExQ-5s for pgsql-docs@lists.postgresql.org; Wed, 30 Jul 2025 04:53:06 +0000 Received: from localhost ([127.0.0.1] helo=wrigleys.postgresql.org) by wrigleys.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1ugyoI-0073UY-2g for pgsql-docs@lists.postgresql.org; Wed, 30 Jul 2025 04:53:03 +0000 Content-Type: multipart/mixed; boundary="===============4634291271246843033==" MIME-Version: 1.0 Subject: further clarification: alter table alter column set not null - table scan is skipped To: pgsql-docs@lists.postgresql.org From: PG Doc comments form Cc: psy2000usa@yahoo.com Reply-To: psy2000usa@yahoo.com, pgsql-docs@lists.postgresql.org Date: Wed, 30 Jul 2025 04:52:16 +0000 Message-ID: <175385113607.786.16774570234342968908@wrigleys.postgresql.org> X-Auto-Response-Suppress: All Auto-Submitted: auto-generated List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============4634291271246843033== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBkb2N1bWVudGF0aW9uIGNvbW1lbnQgaGFzIGJlZW4gbG9nZ2VkIG9uIHRo ZSB3ZWJzaXRlOgoKUGFnZTogaHR0cHM6Ly93d3cucG9zdGdyZXNxbC5vcmcvZG9jcy8xNy9kb2Nn dWlkZS5odG1sCkRlc2NyaXB0aW9uOgoKSGVsbG8gdGhlcmUsCkkgbGlrZSBQb3N0Z3JlU1FMIGEg bG90IHNvIHRoaXMgaXMgbXkgd2F5IG9mIGdpdmluZyBiYWNrLgoKVGhlICJ0YWJsZSBzY2FuIGlz IHNraXBwZWQiIG9wdGltaXphdGlvbiBjYW4gdXNlIHNvbWUgY2xhcmlmaWNhdGlvbgpodHRwczov L3d3dy5wb3N0Z3Jlc3FsLm9yZy9kb2NzL2N1cnJlbnQvc3FsLWFsdGVydGFibGUuaHRtbCNTUUwt QUxURVJUQUJMRS1ERVNDLVNFVC1EUk9QLU5PVC1OVUxMCk15IHByb3Bvc2FsIGlzICJ0aGVuIHRo ZSB0YWJsZSBzY2FuIGlzIHNraXBwZWQgaWYgdGhlIGFsdGVyIHN0YXRlbWVudApkb2Vzbid0IGRy b3AgdGhlIGNvbnN0cmFpbnQuIgoKVGhlIHJlYXNvbiBiZWhpbmQgdGhlIHByb3Bvc2FsIGlzIGRv Y3VtZW50ZWQgaGVyZQpodHRwczovL2Rldi50by9hbmRyZXdwc3kvdGhlLXNldC1ub3QtbnVsbC1k b3dudGltZS10cmFwLWluLXBvc3RncmVzcWwtMW83MQoKVGhhbmsgeW91IGZvciB3b3JraW5nIG9u IHN1Y2ggYW4gYXdlc29tZSBwcm9qZWN0LgpDaGVlcnMsCkFuZHJldwo= --===============4634291271246843033==--